<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>分区标签</title>
</head>
<body>
    <div style="border: 1px solid black; height: 100px">div1</div>
    <div style="border: 1px solid black">div2</div>
    <div style="border: 1px solid black">div3</div>
    <span style="border: 1px solid black">span1</span>
    <span style="border: 1px solid black">span2</span>
    <span style="border: 1px solid black">span3</span>
</body>
</html>